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<head><meta charset="utf-8"><title>hashmap is_empty undefined · general · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/index.html">general</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html">hashmap is_empty undefined</a></h3>

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<a name="238899636"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/hashmap%20is_empty%20undefined/near/238899636" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> devsnek <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html#238899636">(May 15 2021 at 13:53)</a>:</h4>
<p>I feel a bamboozle</p>
<div class="codehilite"><pre><span></span><code>          Undefined symbols for architecture x86_64:
            &quot;std::collections::hash::map::HashMap$LT$K$C$V$C$S$GT$::is_empty::h42e380cf60760aa0&quot;, referenced from:
                discord_authentication::mfa::SessionLoader::load_from_primary::_$u7b$$u7b$closure$u7d$$u7d$::h76a6f2ab972e214b in libdiscord_authentication-d3b63f3cd2f43cab.rlib(discord_authentication-d3b63f3cd2f43cab.11neqp5ptg3x2xln.rcgu.o)
          ld: symbol(s) not found for architecture x86_64
</code></pre></div>



<a name="238900477"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/hashmap%20is_empty%20undefined/near/238900477" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> XAMPPRocky <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html#238900477">(May 15 2021 at 14:06)</a>:</h4>
<p><span class="user-mention" data-user-id="219805">@devsnek</span> Try deleting your incremental cache.</p>



<a name="238901045"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/hashmap%20is_empty%20undefined/near/238901045" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> devsnek <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html#238901045">(May 15 2021 at 14:15)</a>:</h4>
<p>issue doesn't happen anymore so I can't test that but</p>



<a name="238901061"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/hashmap%20is_empty%20undefined/near/238901061" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> devsnek <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html#238901061">(May 15 2021 at 14:15)</a>:</h4>
<p>curious what deleting cache does here</p>



<a name="238904305"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/hashmap%20is_empty%20undefined/near/238904305" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> XAMPPRocky <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/hashmap.20is_empty.20undefined.html#238904305">(May 15 2021 at 15:07)</a>:</h4>
<p><span class="user-mention" data-user-id="219805">@devsnek</span> Well just without more information that looks like an incremental bug to me.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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